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Definition of Halation
1. n. An appearance as of a halo of light, surrounding the edges of dark objects in a photographic picture.
Definition of Halation
1. Noun. The action of light surrounding some object as if making a halo. ¹
2. Noun. The blurring of light around a bright area of a photographic image, or on a television screen. ¹
¹ Source: wiktionary.com
Definition of Halation
1. a blurring of light in photographs [n -S]
Medical Definition of Halation
1.
1.
Lexicographical Neighbors of Halation
Literary usage of Halation
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Complete Photographer by Roger Child Bayley (1906)
"This last is the prime cause of that bugbear of the photographer—halation.
The only serious rival which glass has at the present time is celluloid. ..."
2. Photography for Students of Physics and Chemistry by Louis Derr (1913)
"halation AND REVERSAL. WHENEVER a brightly illuminated surface is crossed by dark
lines, ... The cause of halation can be explained by the help of ..."
3. Photographic Mosaics by Edward Livingston Wilson, Mathew Carey Lea (1898)
"IODIDE OP SILVER AND halation. BY DE. VICTOR SCHUMANN, Leipzig. IF an object is
photographed which shows great contrast of light and shade, the high-lights ..."
4. Library of Amateur Photography (1911)
"Controlling halation by Special Development. 96. Admitting Windows Into the
View.—The admission of windows into the view frequently enhances the appearance ..."
5. The Science and Practice of Photography: An Elementary Textbook on the by John Ransom Roebuck (1918)
"halation—The spreading of the light from the brightly illuminated parts over into
the shadows is called halation. It will hence be most pronounced where the ..."
6. Wilson's Photographic Magazine (1911)
"More halation will exist if the glass of the plate used is thick than if ...
Almost every manufacturer now has a so-called non-halation plate on the market. ..."
7. Technology of Cellulose Esters: A Theoretical and Practical Treatise on the by Edward Chauncey Worden (1921)
"halation and Solarization. The use of collodion varnishes and lacquers to prevent
halation (local over-exposure) and solar- ization (reversal of the image) ..."
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